Beat the butter & sugar together till light and fluffy
Add the egg, vanilla and beat again
Add the dry ingredients and beat until just combined
Divide the batter in half and mix cocoa powder in one half
Transfer the dough to piping bags and shape as desired
Bake in a preheated oven at 180°C for 12 to 15 min till golden and crisp
For chocolate swirl cookies add choc sauce (cocoa powder, icing sugar and milk) after baking
For vanilla swirl add strawberry jam before baking
